Control panel

Details Control panel Control panel

1978-12-07

1981-11-17

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

With particular system function

340286M, 340365R, 340365VL, 340712, G08B 2500

Patent

active

043014496

ABSTRACT:
A control panel for displaying, monitoring and controlling conditions of a process plant, the control panel includes a graphic display, and permits quick and easy rearrangement and repositioning of control switches associated with the graphic display. The control switches are mounted behind a graphic display panel without extending through the display panel, and the control switches are actuated by the presence of an object such as an operator's finger at the outside of the display panel. The control switches may be magnetically secured in place, so as to permit ease of repositioning.

REFERENCES:
patent: 2804607 (1957-08-01), Nalle
patent: 2930939 (1960-03-01), Swanson
patent: 2948074 (1960-08-01), Dupree
patent: 2984725 (1961-05-01), Hubbell et al.
patent: 3090855 (1963-05-01), Morse
patent: 3296404 (1967-01-01), Stevens
patent: 3573792 (1971-04-01), Reed
patent: 3624648 (1971-11-01), Willoughby
patent: 3673579 (1972-06-01), Graven
patent: 3754245 (1973-08-01), Peprnik
patent: 3932721 (1976-01-01), Crowell et al.
patent: 4032931 (1977-06-01), Haker

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